The ARRS focuses on elite distance running at distances 3000m and longer.
Many of the statistics on this website have been generated from the ARRS database which has more than
900,000 performances
from more than 160,000 races by more than 35,000 elite distance runners world-wide. This database and website would
not be possible without the contributions of hundreds of people and many thousands of volunteer hours by dedicated
ARRS members. Contact
kenyoung@wildblue.net

Note: Languages are presented in the order that translations were received.

NOTES

Road performances are classified as "record quality", "statistically
valid", or "statistically invalid" based on the start/finish separation and the net drop of the
course.

Record Quality
.....Start/finish separation is less than 30% of the race distance and the net drop is less than 1.0 m/km

Statistically Valid (suffix "a")
.....The net drop is less than 5.0 m/km and the net effect of tailwind and/or drop does not exceed 5 sec/km

Statistically Invalid (suffix "x")
.....The net drop is 5.0 m/km or more
.....The course has been shown to have been short on remeasurement
.....The course is suspect based on an analysis of the race time bias that exceeds 5 sec/km faster than expected
(-5.0 sec/km)

Only record quality performances are included in national and world road record lists. Record quality and statistically
valid performances are included in rankings lists.

Multi-part names such as "van der Weijde" may appear in
computer generated lists and elsewhere with the spaces removed, i.e., "vanderWeijde." This has been done
for the purposes of efficiency in entering performances into the database.

Copyright. The data contained on this web
site is public domain and as such, cannot be copyrighted. However the format of the presentation of the data is
copyrighted. Permission to reproduce the data/tables on this website is granted provided the Association of Road
Racing Statisticians is cited as the source and the ARRS website URL is included.